/// <summary>
/// Empezar el handshake con el server
/// </summary>
/// <returns>True si todo salio bien</returns>
private bool doHandShake()
{
try
{
int serverHandshakeLength = Encoding.ASCII.GetBytes(TgcSocketServer.SERVER_HANDSHAKE).Length;
byte[] data = new byte[serverHandshakeLength];
int recv = clientSocket.Receive(data, data.Length, SocketFlags.None);
if (recv > 0 && recv == serverHandshakeLength)
{
string msg = Encoding.ASCII.GetString(data, 0, recv);
if (msg.Equals(TgcSocketServer.SERVER_HANDSHAKE))
{
//Server correcto, enviar informacion inicial
status = TgcSocketClientInfo.ClientStatus.RequireInitialInfo;
TgcSocketInitialInfoClient clientInitInfo = new TgcSocketInitialInfoClient();
clientInitInfo.clientName = clientName;
TgcSocketSendMsg sendMsg = new TgcSocketSendMsg();
sendMsg.write(clientInitInfo);
TgcSocketMessages.sendMessage(clientSocket, sendMsg, TgcSocketMessageHeader.MsgType.InitialMessage);
return(true);
}
}
}
catch (SocketException)
{
//Handshake incorrecto
return(false);
}
return(false);
}
/// <summary>
/// Recibir informacion inicial del server
/// </summary>
/// <returns>True si todo salio bien</returns>
private bool getServerInitialInfo()
{
try
{
//Recibir info inicial del server
TgcSocketRecvMsg msg = TgcSocketMessages.receiveMessage(clientSocket, TgcSocketMessageHeader.MsgType.InitialMessage);
if (msg == null)
{
return(false);
}
//Guardar sus datos y cambiar su estado
TgcSocketInitialInfoServer serverInitInfo = (TgcSocketInitialInfoServer)msg.readNext();
serverInfo.Name = serverInitInfo.serverName;
playerId = serverInitInfo.playerId;
//Enviar OK final
this.status = TgcSocketClientInfo.ClientStatus.Connected;
TgcSocketSendMsg sendMsg = new TgcSocketSendMsg();
sendMsg.write(true);
return(TgcSocketMessages.sendMessage(clientSocket, sendMsg, TgcSocketMessageHeader.MsgType.InitialMessage));
}
catch (SocketException)
{
return(false);
}
}
/// <summary>
/// Desconecta el cliente
/// </summary>
public void disconnectClient()
{
if (clientSocket != null)
{
try
{
clientSocket.Shutdown(SocketShutdown.Both);
clientSocket.Close();
}
catch (Exception)
{
}
status = TgcSocketClientInfo.ClientStatus.Disconnected;
clientSocket = null;
}
}
/// <summary>
/// Se conecta a un nuevo servidor. Pero todavía no lo toma como definitivo hasta
/// que no se hace la selección final.
/// </summary>
/// <param name="ip">IP del server</param>
/// <param name="port">Puerto del server</param>
/// <returns>True si todo salio bien</returns>
public bool connect(string ip, int port)
{
try
{
//Conectar con el server, en forma no bloqueante
IPAddress address = IPAddress.Parse(ip);
IPEndPoint Ipep = new IPEndPoint(address, port);
clientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
clientSocket.Connect(Ipep);
clientSocket.Blocking = false;
serverInfo = new TgcSocketServerInfo(address, port);
//Enviar mensaje de Handshake
clientSocket.Send(Encoding.ASCII.GetBytes(CLIENT_HANDSHAKE));
status = TgcSocketClientInfo.ClientStatus.HandshakePending;
return(true);
}
catch (Exception)
{
return(false);
}
}
public void initializeClient(string clientName)
{
this.clientName = clientName;
this.receivedMessages.Clear();
this.status = TgcSocketClientInfo.ClientStatus.Disconnected;
}
/// <summary>
/// Se conecta a un nuevo servidor. Pero todavía no lo toma como definitivo hasta
/// que no se hace la selección final.
/// </summary>
/// <param name="ip">IP del server</param>
/// <param name="port">Puerto del server</param>
/// <returns>True si todo salio bien</returns>
public bool connect(string ip, int port)
{
try
{
//Conectar con el server, en forma no bloqueante
IPAddress address = IPAddress.Parse(ip);
IPEndPoint Ipep = new IPEndPoint(address, port);
clientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
clientSocket.Connect(Ipep);
clientSocket.Blocking = false;
serverInfo = new TgcSocketServerInfo(address, port);
//Enviar mensaje de Handshake
clientSocket.Send(Encoding.ASCII.GetBytes(CLIENT_HANDSHAKE));
status = TgcSocketClientInfo.ClientStatus.HandshakePending;
return true;
}
catch (Exception)
{
return false;
}
}
/// <summary>
/// Recibir informacion inicial del server
/// </summary>
/// <returns>True si todo salio bien</returns>
private bool getServerInitialInfo()
{
try
{
//Recibir info inicial del server
TgcSocketRecvMsg msg = TgcSocketMessages.receiveMessage(clientSocket, TgcSocketMessageHeader.MsgType.InitialMessage);
if (msg == null)
{
return false;
}
//Guardar sus datos y cambiar su estado
TgcSocketInitialInfoServer serverInitInfo = (TgcSocketInitialInfoServer)msg.readNext();
serverInfo.Name = serverInitInfo.serverName;
playerId = serverInitInfo.playerId;
//Enviar OK final
this.status = TgcSocketClientInfo.ClientStatus.Connected;
TgcSocketSendMsg sendMsg = new TgcSocketSendMsg();
sendMsg.write(true);
return TgcSocketMessages.sendMessage(clientSocket, sendMsg, TgcSocketMessageHeader.MsgType.InitialMessage);
}
catch (SocketException)
{
return false;
}
}
/// <summary>
/// Empezar el handshake con el server
/// </summary>
/// <returns>True si todo salio bien</returns>
private bool doHandShake()
{
try
{
int serverHandshakeLength = Encoding.ASCII.GetBytes(TgcSocketServer.SERVER_HANDSHAKE).Length;
byte[] data = new byte[serverHandshakeLength];
int recv = clientSocket.Receive(data, data.Length, SocketFlags.None);
if (recv > 0 && recv == serverHandshakeLength)
{
string msg = Encoding.ASCII.GetString(data, 0, recv);
if (msg.Equals(TgcSocketServer.SERVER_HANDSHAKE))
{
//Server correcto, enviar informacion inicial
status = TgcSocketClientInfo.ClientStatus.RequireInitialInfo;
TgcSocketInitialInfoClient clientInitInfo = new TgcSocketInitialInfoClient();
clientInitInfo.clientName = clientName;
TgcSocketSendMsg sendMsg = new TgcSocketSendMsg();
sendMsg.write(clientInitInfo);
TgcSocketMessages.sendMessage(clientSocket, sendMsg, TgcSocketMessageHeader.MsgType.InitialMessage);
return true;
}
}
}
catch (SocketException)
{
//Handshake incorrecto
return false;
}
return false;
}
public void initializeClient(string clientName)
{
this.clientName = clientName;
this.receivedMessages.Clear();
this.status = TgcSocketClientInfo.ClientStatus.Disconnected;
}
/// <summary>
/// Desconecta el cliente
/// </summary>
public void disconnectClient()
{
if (clientSocket != null)
{
try
{
clientSocket.Shutdown(SocketShutdown.Both);
clientSocket.Close();
}
catch (Exception)
{
}
status = TgcSocketClientInfo.ClientStatus.Disconnected;
clientSocket = null;
}
}